Home / 557,565.40-837,004.20-553,628.80

Finding the Fourth Proportional to 557,565.40, 837,004.20 and 553,628.80

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Solution

The fourth proportional to 557,565.40, 837,004.20 and 553,628.80 is: 831,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,565.40 : 837,004.20 = 553,628.80 : x
  2. Step 2: Convert to fraction form
    557,565.40/837,004.20 = 553,628.80/x
  3. Step 3: Cross multiply
    557,565.40x = 837,004.20 × 553,628.80
  4. Step 4: Simplify right side
    557,565.40x = 463,389,630,840.96
  5. Step 5: Solve for x
    x = 463,389,630,840.96/557,565.40
  6. Step 6: Final answer
    x = 831,094.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.